See also:

Reporting safety defects
For US customers The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, yo ...

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...

Vehicle care
Car care products BMW recommends using cleaning and care products from BMW, since these have been tested and approved. Car care and cleaning products Follow the instructions on the container. W ...